Android Notifications mini infobar variation parameter

This cl adds a new variation parameter that can be used to run A/B
testing on the link we display in the mini infobar on Android.

Change-Id: Ifca13cd4ba9857203ee08118bbca91e1a02c2d1b
BUG: 1084524
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2207167
Commit-Queue: Kamila Hasanbega <hkamila@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#770565}

chrome/browser/permissions/grouped_permission_infobar_delegate_android.cc

@@ -60,8 +60,17 @@ base::string16 GroupedPermissionInfoBarDelegate::GetCompactMessageText() const {
 }
 
 base::string16 GroupedPermissionInfoBarDelegate::GetCompactLinkText() const {
-  return l10n_util::GetStringUTF16(
-      IDS_NOTIFICATION_QUIET_PERMISSION_MINI_INFOBAR_DETAILS_LINK);
+  switch (QuietNotificationPermissionUiConfig::GetMiniInfobarExpandLinkText()) {
+    case QuietNotificationPermissionUiConfig::InfobarLinkTextVariation::kManage:
+      return l10n_util::GetStringUTF16(IDS_NOTIFICATION_BUTTON_MANAGE);
+    case QuietNotificationPermissionUiConfig::InfobarLinkTextVariation::
+        kDetails:
+      return l10n_util::GetStringUTF16(
+          IDS_NOTIFICATION_QUIET_PERMISSION_MINI_INFOBAR_DETAILS_LINK);
+  }
+
+  NOTREACHED();
+  return base::string16();
 }
 
 // TODO(crbug.com/1082737): Many methods of this class switches on the quiet UI

chrome/browser/permissions/quiet_notification_permission_ui_config.cc

@@ -28,6 +28,10 @@ const char
 const char QuietNotificationPermissionUiConfig::kEnableAbusiveRequestWarning[] =
     "enable_abusive_request_warning";
 
+// static
+const char QuietNotificationPermissionUiConfig::kMiniInfobarExpandLinkText[] =
+    "mini_infobar_expand_link_text";
+
 // static
 bool QuietNotificationPermissionUiConfig::IsAdaptiveActivationEnabled() {
   if (!base::FeatureList::IsEnabled(features::kQuietNotificationPrompts))
@@ -54,6 +58,15 @@ double QuietNotificationPermissionUiConfig::GetCrowdDenyHoldBackChance() {
       features::kQuietNotificationPrompts, kCrowdDenyHoldBackChance, 0);
 }
 
+// static
+QuietNotificationPermissionUiConfig::InfobarLinkTextVariation
+QuietNotificationPermissionUiConfig::GetMiniInfobarExpandLinkText() {
+  return base::GetFieldTrialParamByFeatureAsInt(
+             features::kQuietNotificationPrompts, kMiniInfobarExpandLinkText, 0)
+             ? InfobarLinkTextVariation::kManage
+             : InfobarLinkTextVariation::kDetails;
+}
+
 // static
 bool QuietNotificationPermissionUiConfig::IsAbusiveRequestBlockingEnabled() {
   if (!base::FeatureList::IsEnabled(features::kQuietNotificationPrompts))

chrome/browser/permissions/quiet_notification_permission_ui_config.h

@@ -10,6 +10,8 @@
 // Field trial configuration for the quiet notificaiton permission request UI.
 class QuietNotificationPermissionUiConfig {
  public:
+  enum class InfobarLinkTextVariation { kDetails = 0, kManage = 1 };
+
   // Name of the boolean variation parameter that determines if the quiet
   // notification permission prompt UI should be enabled adaptively after three
   // consecutive prompt denies.
@@ -39,6 +41,11 @@ class QuietNotificationPermissionUiConfig {
   // If the quiet UI is enabled in preferences, the quiet UI is always used.
   static const char kCrowdDenyHoldBackChance[];
 
+  // Name of the variation parameter that determines which experimental string
+  // to use for the link in the mini infobar in Android, which upon being
+  // clicked, expands the mini infobar to show more options.
+  static const char kMiniInfobarExpandLinkText[];
+
   // Whether or not adaptive activation is enabled. Adaptive activation means
   // that quiet notifications permission prompts will be turned on after three
   // consecutive prompt denies.
@@ -54,6 +61,9 @@ class QuietNotificationPermissionUiConfig {
   // permission prompt.
   static double GetCrowdDenyHoldBackChance();
 
+  // The text of the link to be shown in the mini infobar in Android.
+  static InfobarLinkTextVariation GetMiniInfobarExpandLinkText();
+
   // Whether or not triggering via the abusive requests list is enabled. This
   // means that on sites with abusive permission request flows, the quiet UI
   // will be shown as a one-off, even when it is not turned on for all sites in